diff --git a/cc/bp2build.go b/cc/bp2build.go
index 4c01de5..9f9143b 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -190,7 +190,7 @@
 	// Parse the list of copts.
 	parseCopts := func(baseCompilerProps *BaseCompilerProperties) []string {
 		var copts []string
-		for _, flag := range baseCompilerProps.Cflags {
+		for _, flag := range append(baseCompilerProps.Cflags, baseCompilerProps.Cppflags...) {
 			// Soong's cflags can contain spaces, like `-include header.h`. For
 			// Bazel's copts, split them up to be compatible with the
 			// no_copts_tokenization feature.